The invention discloses an oil material weighing and feeding system and relates to the field of factory management. The oil material weighing and feeding system comprises a base, a heat-preserving box and a protective cover; and the heat-preserving box is arranged on the base and is provided with the protective cover. The oil material weighing and feeding system further comprises a weighing system, a heating system and a feeding system; the weighing system comprises a plurality of oil inlets formed in the protective cover, and an oil material balance communicated with the oil inlets through oil material pipelines; a weighing sensor is arranged in the oil material balance; the heating system comprises a steam inlet formed in the protective cover, an oil storage hopper arranged in the heat-preserving box, and a heating mechanism communicated with the steam inlet through a steam pipeline; the feeding system comprises an oil pump motor arranged on the base, and an oil pump driven by the oil pump motor to work; the oil material balance is communicated with the oil storage hopper through an oil storage pipeline which is provided with a switch valve; the oil storage hopper is connected with the oil pump through an oil outlet pipeline which is provided with an oil discharging port and an oil outlet; the heat-preserving box is also provided with an oil discharging port; and the lower portion of the base is provided with an oil tray.